AD9740ARU datasheet(2/20 Pages) AD

Part #	AD9740ARU

Description	10-Bit, 165 MSPS TxDAC D/A Converter

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REV. 0

–2–

AD9740

DC SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

RESOLUTION

10

Bits

DC ACCURACY

1

Integral Linearity Error (INL)

–0.7

±0.15

+0.7

LSB

Differential Nonlinearity (DNL)

–0.5

±0.12

+0.5

LSB

ANALOG OUTPUT

Offset Error

–0.02

+0.02

% of FSR

Gain Error (Without Internal Reference)

–2

±0.1

+2

% of FSR

Gain Error (With Internal Reference)

–2

±0.1

+2

% of FSR

Full-Scale Output Current

2

2.0

20.0

mA

Output Compliance Range

–1.0

+1.25

V

Output Resistance

100

k

Ω

Output Capacitance

5

pF

REFERENCE OUTPUT

Reference Voltage

1.14

1.20

1.26

V

Reference Output Current

3

100

nA

REFERENCE INPUT

Input Compliance Range

0.1

1.25

V

Reference Input Resistance (Ext. Ref)

1

M

Ω

Small Signal Bandwidth

0.5

MHz

TEMPERATURE COEFFICIENTS

Offset Drift

0

ppm of FSR/

°C

Gain Drift (Without Internal Reference)

±50

ppm of FSR/

°C

Gain Drift (With Internal Reference)

±100

ppm of FSR/

°C

Reference Voltage Drift

±50

ppm/

°C

POWER SUPPLY

Supply Voltages

AVDD

2.7

3.3

3.6

V

DVDD

2.7

3.3

3.6

V

Analog Supply Current (IAVDD)33

36

mA

Digital Supply Current (IDVDD)

4

89

mA

Supply Current Sleep Mode (IAVDD)5

6

mA

Power Dissipation

4

135

145

mW

Power Dissipation

5

145

mW

Power Supply Rejection Ratio—AVDD

6

–1

+1

% of FSR/V

Power Supply Rejection Ratio—DVDD

6

–0.04

+0.04

% of FSR/V

OPERATING RANGE

–40

+85

°C

NOTES

1Measured at IOUTA, driving a virtual ground.

2Nominal full-scale current, I

OUTFS, is 32 times the IREF current.

3An external buffer amplifier with input bias current <100 nA should be used to drive any external load.

4Measured at f

CLOCK = 25 MSPS and fOUT = 1.0 MHz.

5Measured as unbuffered voltage output with I

OUTFS = 20 mA and 50 Ω RLOAD at IOUTA and IOUTB, fCLOCK = 100 MSPS and fOUT = 40 MHz.

6

±5% power supply variation.

Specifications subject to change without notice.

(TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, IOUTFS = 20 mA, unless otherwise noted.)

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